The tentacle-faced creature Cthulhu is H.P. Lovecraft’s most enduring eldritch creation. But while Lovecraft may be Cthulhu’s inventor, this monster has outgrown its creator, impacting both horror fiction and the real world in...

Lumbering through the countryside blasting its eerie messages from metal speakers perched atop a forty-foot wooden humanoid frame, Siren Head is a prime example of modern folklore born on the internet. Featuring insights from Siren...

Deep within the Amazon rainforest lurks a mysterious creature called the Mapinguari. Notoriously elusive, this cave-dwelling giant leaves a trail of broken trees and trampled ferns in its wake. Massive, hairy, and pungent, this beast...

The Griffin is a half-lion, half-eagle creature that is commonly seen adorning royal crests and perched menacingly atop buildings. Why is this ancient creature that many of us see every day largely forgotten?

Despite the extreme rarity of attacks on humans, Sharks have become perhaps the most widely feared animals on the planet. How did this happen? They're not naturally aggressive towards humans and kill fewer people each year than falling...

The Chinese dragon is one of the world’s most globally recognized monsters. Playing a major role throughout Chinese history, they were both creators and destroyers and controlled the elements. They've influenced everything from politics...

For many of us, the firefly is a mystical, enchanting creature of the twilight. To the people of some West-African cultures, however, the firefly brings to mind a malevolent, shapeshifting, blood-sucking monster of lore: the Adze.

The fairies of Celtic traditions trace their origin back to an ancient race of otherworldly royalty - the Tuatha Dé Danann. As fairy nobility, the Tuatha Dé Danann were alternatively seen as gods, monsters, demons, and even the real...

You better watch out, you better not cry, and you certainly must behave—or else face the brutal beating of the Krampus. Why does this demonic, horned Yuletide monster exist? This episode looks at the historical origins of Krampus in the...

The “Terror of the Plain,” this emaciated, whistling devil is cursed to wander the South American countryside carrying the bones of his victims. Intimately tied to the cattle ranching history of Latin America, the myth of El Silbón...

There are fewer images of Death personified than the scythe-wielding skeletal form of the Grim Reaper. But where did it come from? You may have heard that this haunting figure emerged as a result of the Black Plague, but that’s only a...

A venomous snake who can kill with its gaze alone, the basilisk has terrified us for thousands of years. But it also has another name—the cockatrice. That’s right, the reptile-chicken hybrid creature and the poisonous snake are actually...

The Australian wilderness is a dangerous place—in part because it’s the rumored hunting ground of a vampiric creature who uses its fingers and toes to suck your blood. Fall prey to the Yara-ma-yha-who and you risk not only being...

These elusive blue flames have been reported globally and inspired a wealth of folklore. But what exactly is a Will-o’-the-Wisp? Also commonly called “ignis fatuus” or “corpse-candle” the glowing atmospheric phenomenon has a reputation...

African folklore dictates that unlike other werecreatures this monster is an animal that disguises itself in human form. By day it walks the earth nearly indistinguishable from humans, but at night it returns to its true hyena shape. We...

Before these stoney grotesques became monsters they were just water spouts. We still adorn our buildings with the carvings and sculptures of the frightening, funny, and exaggerated forms—but why? Learn all about the strange history of...

19th century London and the hunting ground of Spring-Heeled Jack. The fire-breathing, wall-leaping, claw-wielding devil attacked women in their homes and in the streets, terrorizing England for more than 50 years. Learn how Spring-Heeled...

This episode explains how sirens appeared in ancient history, from literature to art, and looks at how the half human half bird creatures became more commonly associated with mermaids. From Ancient Greek legends to Medieval bestiaries,...

Originating in the stories and beliefs of the southeastern Indigenous peoples of Australia, accounts of the bunyip are widely varied. This episode uses Aboriginal stories, historical records, and fossils to explore the bunyip legend, and...

Dr. Zarka explains the timeline of this Internet folklore sensation, examining how unlike so many other monster origins stories, we know exactly when and why this one was created. From Creepypasta to video games, horror movies to...

Jinn is a popular character in fiction and their origins continue to influence Islamic cultures today. From the Qur’an to The Thousand and One Nights, the story of Aladdin to I Dream of Jeannie and everything in between—the jinn are more...

In this special episode, Dr. Zarka shows you what’s inside her “go bag,” a kit of survival supplies she keeps on hand at all times. In this episode you’ll find out how the horror genre can inspire real-world preparedness and take a look...

Hansel and Gretel is one of the most famous fairy tales of the Western world, and contains one of the most notorious witches. In this episode you’ll learn about witch trials in Germany, the role famine and poverty play in creating...

He can grow higher than the trees, or smaller than a blade of grass. Both demon and deity, guardian and antagonist, the Leshy is rooted deep in the cultural and religious history of the Slavic people.